Answer:
41.9 cubic feet
Step-by-step explanation:
The formula for the volume of a cone is
V = 1/3πr^2h, where r=radius and h=height.
Diameter = 2*radius, so our radius is 4 ft. Plug these values in:
V = 1/3πr^2h
= 1/3π4^2 * 2.5
= 40π/3 cubic feet = about 41.9 cubic feet